Offshore wind power based hydrogen production and organic liquid hydrogen storage energy-storing system and method

An organic liquid and offshore wind power technology, applied in the field of hydrogen energy, can solve the problems of intermittent and fluctuating wind energy, and achieve the effects of reducing hydrogen production costs, good safety and economy, and high hydrogen storage density

Pending Publication Date: 2019-08-06
HUANENG CLEAN ENERGY RES INST
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide an energy storage system and method based on offshore wind power hydrogen produc

Method used

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  • Offshore wind power based hydrogen production and organic liquid hydrogen storage energy-storing system and method

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Embodiment Construction

[0025] The present invention is described in further detail below in conjunction with accompanying drawing:

[0026] refer to figure 1 , the energy storage system based on offshore wind power hydrogen production and organic liquid hydrogen storage described in the present invention includes an offshore wind power generation device 1, a power divider 2, an AC / DC rectifier 3, a microgrid 10, an electrolytic seawater hydrogen production device 4, a liquid Hydrogenation device 5, liquid hydrogen storage tank 6, liquid dehydrogenation device 7, fuel cell power generation device 8, DC / AC inverter 9 and energy management system 11; the output end of offshore wind power generation device 1 and the power splitter 2 The input ends are connected, and the two output ends of the power distributor 2 are respectively connected with the input ends of the AC / DC rectifier 3 and the microgrid 10, and the output ends of the AC / DC rectifier 3 are connected with the power interface of the electroly...

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Abstract

The invention discloses an offshore wind power based hydrogen production and organic liquid hydrogen storage energy-storing system and method. The output end of an offshore wind power generator is connected with the input end of a power divider, two output ends of the power divider are connected with the input end of an AC/DC rectifier and the micro grid respectively, the output end of the AC/DC rectifier is connected with a power interface of a seawater electrolyzing hydrogen production device, a hydrogen outlet of the seawater electrolyzing hydrogen production device is communicated with aninlet of a liquid hydrogenation device, an outlet of the liquid state hydrogenation device is communicated with an inlet of a liquid hydrogen storage tank, an outlet of the liquid hydrogen storage tank is communicated with an inlet of a liquid dehydrogenation device, a hydrogen outlet of the liquid dehydrogenation device is communicated with a hydrogen inlet of a fuel cell power generator, and theoutput end of the fuel cell power generator is elected with the micro grid via a AC/AC inverter. The system and method can be used to solve the problems of energy supply in remote islands as well asintermittence and fluctuation of wind energy.

Description

technical field [0001] The invention belongs to the field of hydrogen energy, and relates to an energy storage system and method based on offshore wind power hydrogen production and organic liquid hydrogen storage. Background technique [0002] There are many coastal islands in my country. Due to the limited load and long transmission distance, the laying of submarine cables requires a higher technical and economic cost. Therefore, remote islands generally lack power supply. On the islands, wind energy resources are abundant, and offshore wind power generation has become an ideal choice for island energy supply. Wind energy is an inexhaustible and non-polluting energy source, but its intermittent and fluctuating characteristics cause wind power to also present a random and fluctuating state. Energy storage technology has the characteristics of dynamically absorbing energy and releasing it in a timely manner, which can effectively make up for the intermittent and volatile sh...

Claims

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Application Information

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IPC IPC(8): H01M8/0656H01M8/04082H01M8/04089H01M8/22H02J3/32H02J3/38
CPCH02J3/386H01M8/0656H01M8/04201H01M8/04089H01M8/22H02J3/32Y02E70/30Y02E10/76Y02E60/36Y02E60/50
Inventor 任志博张畅余智勇王广
Owner HUANENG CLEAN ENERGY RES INST
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